Rainbow-electronics MAX14806 User Manual download pdf

_______________________________________________________________ Maxim Integrated Products 1

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

MAX14805/MAX14806

16-Channel (Two Banks of 8-Channel),

High-Voltage Analog Switches

19-5253; Rev 0; 4/10

Ordering Information/Selector Guide

General Description

The MAX14805/MAX14806 provide high-voltage switch-

ing on 16 channels for ultrasonic imaging. Both devices

are ideal for the following applications: banks selection in

biplane or triplane ultrasound probes and relays replace-

ment. The devices utilize 200V process technology to

provide sixteen high-voltage, low-charge injection SPST

switches, controlled by a digital interface.

The MAX14805/MAX14806’s output switches are con-

figured as two sets of eight SPST analog switches. The

switches are controlled by two input logic controls, DIN1

and DIN2 (respectively for switch 0 to 7 and switch 8

to 15). The MAX14806 features integrated 40kI bleed

resistors on each switch terminal, which help to reduce

voltage buildup in capacitive loads such as piezoelectric

elements.

The MAX14805/MAX14806 operate with a wide range of

high-voltage supplies, including V

= +100V/-100V,

+200V/0V, and +40V/-160V. The digital interface oper-

ates from a separate V

supply from +2.7V to +5.5V.

Digital inputs DIN1, DIN2, and LE operate on the V

supply voltage.

The MAX14805CCM+ is a drop-in replacement for the

Supertex HV2631. The MAX14806CCM+ is a drop-in

replacement for the Supertex HV2731. Both devices are

available in the 48-pin, TQFP package and are specified

for the extended -40NC to +85NC temperature range.

Features

S HVCMOS Technology for High Performance

S Two Sets of 8-Channel SPST High-Voltage Analog

Switches

S DC to 20MHz Low-Voltage Analog Signal

Frequency Range

S +2.7V to +5.5V Logic Supply Voltage

S Ultra-Low (0.1µA) (typ) Quiescent Current

S Low-Charge Injection, Low-Capacitance 20I

Switches

S -77dB (typ) Off-Isolation at 5MHz (50I)

S Flexible, High-Voltage Supplies (V

- V

230V)

Applications

Medical Ultrasound Imaging

Nondestructive Test (NDT)

Note: All devices are specified over the extended -40°C to +85°C operating temperature range.

+Denotes a lead(Pb)-free/RoHS-compliant package.

PART

SWITCH

CHANNELS

BLEED

RESISTOR

SECOND SOURCE PIN-PACKAGE

MAX14805CCM+ 2 x 8 No HV2631 48 TQFP

MAX14806CCM+ 2 x 8 Yes HV2731 48 TQFP

1 2 3 4 5 6 ... 13 14

Summary of Contents

Page 1 - High-Voltage Analog Switches

_______________________________________________________________ Maxim Integrated Products 1For pricing, delivery, and ordering information, pleas

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Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are

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